Heating and forging means



oct. 29, 1929.

P. R. HooPl-:s

HEATING -AND FORGING MEANS Filed Sept. 2, 1927 8 Sheets-Sheet P. R.HOOPES HEATING AND FORGING MEANS Oct. 29, 1929.

8 Sheets-Sheet 3 Filed sept. 2, 1927 gnou/woz 061.129, 1929.V P, yRHOFESy Filed sept. 1927 e sheets-sheet' 4.

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Oct. A29', 1929." R R HOOPES 1,133,263:

HEATING AND FORGING MEANS y Filledsept. 2, 1927 sheets-sheet 6 Oct. 29,192.9 4l?. R. HooPEs 1,733,263 HEATING AND- FORG`ING MEANS I FiledSemi-.i927 s sheets-sheetl f -lQ ll\\""" ||n|n11wlw- Q/illf "HHH"11H/HW' q? ik v -1 N ,Inu f HU, Wm

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F1. R. HooPEs, I HEATING AND FORGINGv MEANS Oct. 29, i929.

Filed Spt. 2. 1927, Y 8 Sheets-Sheva 8 Patented Oct. 29, 1929 UNITEDSTATES PATENT OFFICE :eENnosnv n. Hoorn's, or HARTFORD, CONNECTICUT,nssIGNOn VTo ELExTnoMATIx rename incarna CORPORATION, A CORPORATION orNaw Yom:

HEATING AND FORGING MEANS 'My present invention relates to machines forheating and forging metal articles, particularly where the heatingoperation is carried out electrically, and aims to devise machines ofthe general Acharacter specilied which are simple in construction, whichmay be readily and economically fabricated and assembled, and which areadapted to carry out the desired heating and forging operations in ahighly convenient, economical and expeditious manner. It is a furtherobject ,ofv the present invention to devise machines which permit theuseof a continuous metal member, such as a metal rod, wire,

strip, ribbon or the like, out of which the blanks for the various metalarticles Imay be conveniently produced durin the fabrication of themetalarticle itse f. Other objects and advantages of the machines of thepresentinvention will in part be pointed out -in detail hereinafter andwill 1n part be obvious to those skilled in the a'rt to which thepresent inventionrelates.

In the accompanylng speciiicationI4 I shalldescribe, and in the annexed"drawing show,

an illustrative embodiment of the .present invention. 1t is, however,to;:be clearly undei-stood that my invention is' not limited to thespeciiic embodiment thereof herein shown and described for purposes ofillustration only.l It may here further be stated that the machine willbe described in connection with one method of fabricating the articleswhich may be made in the machine, by Way of example merely, it beingfurther understood that the machine is not limited to its use with themethod herein described, such method forming no part of the presentinvention but being more fully described' and being fully claimed in acopending application of mine `filed of even date herewith Serial No.217,212

and entitled Heating and forging methods. Referring 'now to theaforesaid illustrative embodiment of the present invention, and

more particularly to the drawing illustratl'.

ing the same:

Fig. 1 is a plan view of said machine, certain Darts bein-g omitted tomake the showing clearer;

Fig. 2 i's a side view of the machine, some of the parts being likewiseomitted for a similar purpose; i

. Fig. 3 is an end view of the feeding mechanism;

Fig. 4 is a view, partially in section and partly in elevation, showingcertain portions of the machine in detail; y

Fig. 5 isa cross-sectional view taken along line 5-5 of Fig; 4 ofthedrawing.;

Fig. 6 is a cross-sectional view taken along line 6-6 of Fig. 4 of thedrawing;

` Fig. 7 is a view, partl in elevation and partly in cross section, sowing the shearing` mechanism;

ig. 8 is a cross-sectional view, partly in elevation,V through therevolving head showing the cam way for moving the jaws forming a part ofthe machine;

Fig. 9 is a vertical sectional view, partly in elevation, through thedial head;

' Fig. 1() is a front elevation, partly broken away, showing the dialhead;

Fig. 11 is a detailed view showing certain features of the jawconstruction.;

Fig. 12 is a cross-sectional view, partly in elevation, taken alongline'12-12'of Fig 9 of the drawing;

Fig. 13 is a detailed ed e view of one of the cams forming a part oft emachine;l

Fig. 14 is a vvertical sectional view throughthe punch or foiging headFig. 15 is a si e e evation of the mechanism for removing the finishedarticle;

Fig. 16 is a sectional view taken along line 16.-16 of Fig. 15 of thedrawing;

Fig. 17 is a sectional view taken along line `17---17 of Fig. -18 of thedrawing;

Fig. 18 is a sectional view taken through the jaw-operating mechanism;and

Figure19 is a detail showing of Figure 9. illustrating how the pin R, iselevated so as to partly eject the forged article from the die.

, Before describing the aforesaid machine, it may be desirable brieflyto outline the method which may be conveniently practised with the formof machine shown in the drawings and described in the specification.Such f l its aforesaid embodiments,

'production of a series or succession of metal -method comprisesprincipally the following series of operations: y

The first step of the method, according to may comprise the blanks fromwhich the metal articles are to be made. I do this preferably byshearing a metal member, such as a' metal'rod, wire, strip, ribbon orthe like, into a series of predetermined lengths servingl as', blanksfor the metal articles. In the preferred .embodif ments of the method,the wire or other preferably .continuous metal member is preferablyintermittently fed from a reel tothe shearing stage or station. y Thefeeding operation, in such preferred embodiment of the methods of thepresent invention, preferably brings about the insertion of the free endof the continuous metal member .successively into a series of. "diecavities. It is thereafter. and preferably immediately after thisinsertion has taken place that theshearing operation iscarried out. Iprefer that the feeding of the metal member into vthe successive diecavities shall be so effected that the feeding means will slip slightlywhen the free end of the metal member hits the pin at the bottom vof thedie cavity. lI prefer also that in this position of the shea-red length,constituting the` blank for themetal article, the same shall bepositioned substantially in advaiice of its finalH forging position butpreferably in ay y ition corresponding substantially to its eatingposition. A

In such heatin position, I prefer that the portion of the b ank whichitis desired to heat to a forging temperature and subsequently toforgeshall be positionedl well in advance of the surounding die so.that theheatin operation, which serves to heat the desire portion of the blankyto the desired temperature, will not at the same time substantially heatthe die so as-to destroy its temper and to damage its edges and otheraccurate parts.

vcss

The heating operation is preferably effected by electrical means-andpreferably in a series of heating stages.1 That is, instead of heatingthe desired portion of the blank in one stage to the forgingtemperature, which would tend to burn the heated end of the blank, Iheat thesame in a series of stages, that is, the blank isv subjected toa series of heating operations each adding its increment of heat to theblank being heated so that ultimately the desired portion of the blankis heated to the desired temperature.

The heating operation being now completed, the heated blank is moved inthe die into the forging position, after which the forging operationtakes' place. I prefer that this movement ofthe heated blank into thelforging position shall 'be effected and shall 'reference c massesvforging operations in a highly expeditious and economical manner.

e machine illustrated in the vdrawing embodies a suitable frameworkgenerally de- 'sinnated by reference character 10, which suitably suports the various operative portions of t e machine. -I provide suitablemeans for feeding the continuous metal member, such as the wire, strip,ribbon, rod

or the like, for example the rod designated by reference' character 20in Fig, 1 of the drawing. For this purpose I may em loy the-feedin meansgenerally designated) by aracter in Figs. 1, 3 and 4 of the drawing" andcomprising, for example, a plurality of cooperating feed rolls A, whichare rotatablymounted upon the horizontal' parallel shafts A1 and A2, asmore clearly shown in Figs.3 and 4 of the drawing. The shaft A2 isjournalled in fixed bearings and rotated by means of a gear wheel Aamounted :on the innerend of the shaft A2, the ear wheel As meshing witha gear whee A mounted on the inner end of the. shaft A1. The shaft A1 isin turn journalled in bearings A, the bearings A*s being capable of aslight angular adjustment about a pivot point A withrespect tothe fixedbearings'm which the shaft A1. is journalled. In this way the pressureexerted upon the rod 20 bythe codeslred.-

The shaftA1 also carries at its inner ex tremitir just beyond the gearwheel A* a bevel gear 7 meshing with a cooperatinbevel gear As fastenedto a stub shaft supported by a bracket A1", all as more clearly shown inFigs. 3 and 4 of the 'drawing. Suitabl carried by a portion of theoperating feed rolls A may be varied as framework o the machine, as bthe bracket A10, is a friction ratchet A11, y means of which the shaftsAA1 and A2 and cor responding feed rolls A carried thereby may beintermittently oscillated or turned in a forward directlon to cause therod or otherv continuous metal member 20 to be advanced atr-thef'desired rate of speed. The friction ratchet, generally indicatedby reference character A11, preferably comprises a plate A11 keyed orotherwise iixedly carried. by the stub shaft A and provided at its'periphery with an angular slot A13 (see Fig. 5 of the drawing) in whichis positioned a roller A111. .This roller is in such position as toengage the inner surface of a flange portion A of the plate A"constituting an outer shell.- A1 constitutes an expansion spring forurging the roller A1 1nto contact wit the inner surface of the shell.The shell A1* is rigidlyfattached to, as b j being integral with, thecrank A1". The-cran A1 1s 'ournalled for rotation on the exterior m ofthe shown in Figs. 3, 4, 5 `an 6- ofthe drawing. A1 is thecrankpinca-rried by the crank A1". By means of the connecting rod A1'and the y crank pin by the main cam shaft 40 of the machine. I providesuitable means for cutting or shearing the rod or other continuous metal`member into blanks of the desired length. I prefer that this cuttingforshearing operation shall be such as to cooperate with the intermittentfeeding means 30, the cutting or shearing operations bein preferablycarried out during the stages o rest of the interu .mittent feedingmechanism, For this puri pose I may emplog the cutting means gen' erallydesi ated y reference character 50 and more c earl shown in Figs. 1, 2and 7 of the drawing. or this purpose I may employ a plurality of cutterknives, the upper .of such knives being designated by rel erencecharacter Bz and the lower of such knives being designated by referencecharacter B". B1 indicates the opening in the upper knife as B1.' Theupper cutter knife B" is carried b a lever Bs mounted for oscillation onthe sha it B* carried in the adjustable bracket B mounted on anysuitable ortion of the framework of the machine. e bracket B alsosupports the lower cutting knife B. The uper cutting knife B2, as moreclearly shown .1n Fig. 7 of the drawin is intended to completely embracethe r` or'other continuous y metal member 20, passing through theopening B1 in the same. I prefer that the lower cutting 4knife B1 shallhave a substantially semicircular cutting edge so aslto contact with therod or other continuous metal member 20 throu h a proximately 180degrees. 'It will there 'ore be seen that the operation of the cuttingmechanism serves, by thefcooperation of the upper and lower cuttingknives B2 and B, to sever a predetermined length from the rod or othercontinuous metal member 20 to form the-blank. At the same time thecutting operation will cause the rod 2() itself to be bent slightlydownward. The free end of the rod 20 is however at all times under conftrol of the upper cutting knife B2, and when the latter returns tonormal osition it also returns the end of the rod into alignment withthe, sem'icircular cuttin edge of the lower knife B". In this positionof the free end of the rod 20 the subsequent operation of the feed rollsA causes therod'to be fed ub of the disk A1 all as more clearly A1', thecrank is connected with the u continuously rotating cam plate A1 carried`which 'are removably attache over the cutting edge of the knife B6through the opening B1 in t e up r cutting knife B1.

The lever B". is pre erably operated by means of a link B (provided witha turn buckle l adjustment B"1 an operated by a cam B8 fixed to the maincam shaft 40 of the machine. The

A link B' is attached to the lever Bby means of the 'member'B by meansof the pin B10 v gassing through the'openin'g B11 ofthe lever x Iprovide suitable means for receiving the yseries of blanks which havebeen generally designated by reference character 21 as the sameareseveredfrom the substantially con-l tinuousmetal member 20. Ipreferthat the receiving means, generally des1gnated by ref-`h erencecharacter 60, shall be so positioned with 4respect to the cuttingmechanism 50 as to readily receive such blanks as they are formed by theseverance of portions of pre-determined length of the rod or othercontinuous metal member 20. I refer also that the receiving means 60 shabe intermittently rotated, its periods of rest corresponding totheeriods'of insertion of the successive -blan in the receiving member.

-While various types of mechanism maybe utilized foi-this purpose, Iprefer to use'the mechanism illustrated in the drawing cm- 'bodying whatmay be termed a dial F. which is located adjacent the cutting mechanism50.

The dial F preferably comprises a substantially circular body F1 inwhich are positioned a series, here shown as eight, dies F2. The dies Fare securely clamped in place in the circular bod F1 by any suitablemeans such as the caps 3, all as more-clearly shown in Figs. 9 and 10 ofthe drawing. Each of the dies F2 preferablyhas a'- central o 'ning F* ofa diameter suicient to allow lig blank-21 responding die bymeans of thefeed rolls A.

It may here be stated that since the dies F2 i are removable by means ofthe suitable manipulation of the caps or clampin members F1, by means ofthe screws or other fastening means F11, dies of any desiredcharacteristics and having any desired diameter depending on thediameter or other dimensions of the blanks 2l cut from the rod 20 may besuitably employed,v

F indicates a' backing plun er which extends into the rear portion of te openin F* l ofthe die and which is carried by a bac ingl pin R1contacting a cam rail R2 carried in the dial housing F1 surounding thedial F1, all as more clearlshown in Fig. 9 of the drawing.y

The rail 2 is preferably of circular form, and is of substantiallyuniform height except at the heading position where said rail is cutaway, as shown in Fig. 19 of the drawing, in order to allow the blank,backing plunger and the backing pin to be pushed back by the.headingpunch a distance suiiicient to bring the rear end of the heatedportion of the severed from the rod 20 to be fed into thecor 1-05 thedie face and a As the pins are the end of a shaft G3 prises a pair ofjaws G and 'htlywithin the plane of ter the vhea'din operation has beenperformed, to return t e backing blank up to or sli pin and the -blankto normal position .during the further rotation of the dial The backingpins R1 form positive stops or abutments against whichthe ends ofthere`abut 'upon completion of the spective rods feeding operation, therebycausing thefeed rolls to slipslightlyalong the continuous rod andinsuring an accurate lengthof the blank. The backing pins R1 also serveto take the pressure of the heading vblow at the heading position, andvto transmit this pressure through the rail to the frame of the machine.Apushed forward by the in` clined portion R3 onto the underpressed po1`-tion of the rail R2, after the heading operat-ion has been completed andduring 1 the further rotation of the dial, they'serve partly to ejectthe work from the die and to bring the forged heads of the finishedarticles into the desired alignment with the pick-out finger shown inFigs. l5 and 16 of the drawing for the ejection of the finished articlesfrom the machine.

I provide means for proper electrical connection for each of the blanksor work pieces 2l, such means being preferably so constructed andarranged as to provide for suitable electrical connection for thatportion only of each blankwhich extends beyond the face of the dial,(see Fig. 10) thus' limiting the heating operation to those portions ofeach blank which it is desired to heat to a forging temperatureandthereafter to forge. In this way the dies proper are not heated to atemperature which would tend to damage the same, as by burning andblunting the accurate edges of the dies proper. For this purpose I mayprovide the electrical contact means generally designated, by referencecharacter 70, one connection means being provided for each blankcorrespondin to each die intended to contain the same, t ere thus beingeight such connection means, each generally designated by referencecharacter 71. The connection means 71 preferably com- G1. These jawslwhich are provided with the substantially semi-circular indentations 72and 7 3 and receiving between them and clamping a portion of the exposedor-upper end of theblank21,

are preferably pivoted about a common cen' ter G2. The jaw G ispreferably clamped to which isadapted to rotate within a hollow tube G4.The tube G acts as the shaft for the jaw G1. The shaft G3 and the tubeG'1 surrounding the same are geared together for rotation in oppositedi' rections by means of the gear mechanism generally designated byreference character G5, as more clearly shown in Fig. 9 of the drawing.A

The gear mechanism G15 1s adapted to osc11- tion of the cam gear G. Thetube G4 on the other hand car- -ries `the gear G9 which` meshes with thegear G1o on the rocker shaft G11.

Fastened to the rocker shaft G11 is the gear G12pwhich'1lneshes Withthebroad-faced gear G11. On an eXtension G111` is a cam the rocker shaftG11 may be oscillated. This oscillation of thel rocker shaftG11 causesthe motion of the shaft G3 and the surrounding tube Gin oppositedirections, thus opening and closing the jaws G and G1 as' desired.

The cam G13 carriesl a cam roller G1* which engages in a cam track G15in the jaw o erating cam member G14 which is suitab y attached to thehousing F10, all as more clearly shown in Fig. 9 of the drawing.

In Fig. 8 of the drawing will be seen the conformation vof the cam trackG15 which is provided in thev cam'member G18, the outer portion of whichis indicated by reference character G1? and the inner portion byreference character G11. The various cam rollers G11 carried h the camarms`G111for1ning extensions of t e rocker shaft G11, are shown withinthe cam track G11. The cam track G11s is so arranged, as clearly shownin' Fig. 8 of the drawing, that the stations Z1, Z2 and .Z3 corres ondto the closed positions of the )aw mem rs carried by the correspondingshafts G3 and surroundlng tubes G1 at these stations, While the stationsZ1, Z,`Z, Z7 and ZEl correspond to the o en positions of thecorresponding jaw mem ers.

Asmore clearly shown in Fig. 9 of the drawing,'the dial F is carried bythe dial .shaft H1 journalledin the'dial housing F 1. Rigidly fastenedto the rear end of the shaft H1 is a plate H2 rollers H3 number of innumber,

engage with a cam H, as shown in Figs. l'

and 2 of the drawing. The cam H4 is provided on its periphery with atrack in the nature of an interru ted worm tooth, this track being desimater? by reference character H5. According y by the continuous opera-H4, the cam will cause an intermittent rotation of the cam late H1 andconsequently of the entire dial 1F and associated parts carried thereby.

In order definitely and accurately to locate and position the dial F inproper or index position for each operation corresponding to each of theeight stages of the machine y for' a complete, rotation of the dial F, Iprovide suitable positioning means generally designated by referencecharacter 80, as more clearly shown in Fig. 1 of the drawing. Such meansmay,- for example, comprise a lock bolt J1 which is adapted to enga ewith locking holes J 2 in the side of the i'al F.` The lock bolt J1 maybe actuated in any suitable manner, as by means of a lever J 3 pivotedat erally designated by reference character 90- and comprising aplurality of` pairs of electrical contact members or electrodesgenerally designated by reference character K. These electrical contactmembers or pairs of electrodes are preferably located adjacent to the`portions Z1, Z2 and Z1 in Fig. 8 of the drawing. While there are threesuch sets or pairs of electrical contact members or.electrodes,

-sincethe same are substantially identical in construction it will'benecessary to -describe only one such pair. It may here further be statedthat the heating operation for heating the desired external' portionsofthe blanks 21 to the desired forging temperature is preferablyconducted in a series of, here shown as three, heating stages, each ofwhich adds an increment of heat to the portions of the blanks 21 beingheated.

Turning now to the construction of the electrodes or electrical contactmembers, and

referring now more particularly to Figs. 9,A

11 and 10 of the drawing, it will be noted that the arm K1 constitutingone of the pair of electrodes or electrical contact members isprovidedwiththe contact point K2 (seel Fig. 9 of the drawing) which 'isadapted to engage with the outer end of the blank carried by the die.The arm K1, constituting the remaining electrical contact member orelectrode of the pair of electrical contact members or electrodes Kunder consideration, carries a similar contact point K* which is adaptedto engage with the boss on the pair of jaws and G1 at the pivot G1 ofthe same. The u per ends K" and K1 of the members K1 and 1 are'connected to the poles of an appropriate electrical transformer adaptedto supply current of the desired voltage and intensity to the portionsof the blanks 21 desired to be heated to a forging temperature.

It will'thus be evident that by means of the members K1, K11 and theboss of the cooperating jaws G and G1, together with' the `end of theblank 2l itself and the various wires and connections for thetransformer, a complete circuit is established through that portion ofthe blank 21 which it is desired to heat to a forging temperature, suchContact being esvjaws G tablished when the electrodes or electricalcontact members K1 and K3 have been lowered into the position shown inFig. 9 of the drawing. J 1 to any suitable portion of the framework Themembers K1 and K8 are independently supported, being carried andoperated into and out of a heating 1position by means of thereciprocating rods 1. Thesev rods K'I are normally'impelled in arearward direction by means of the coil expansion surrounding therespective rodsv springs tend normally to provide resilient contactof-the contacts K2 and K1 with the end of the work piece and the boss onthe and G1 respectively. The rodK' carries in its inner end a ball K1which is adapted to engage with a cam K1 which is carried by the dialhousing F10, as more clearly shown in Figs. 9 and 10 of the drawing.Fig. 13 shows more clearly the shape of the cam K1. It will be notedthat the three portionsof the same desi nated by reference charactersK1"1,K1"2 and 101. The cam K10 is provided with a plurality ofdepressions K111, K122 and K1. These depressions permit'the series ofrods K7 under the action of the coil expansion springs K8 to descend andthus to be brought into resilient electrical contact with the end of thework piece 21 and the boss on the jaws G and G1. The three portions K1,K102 and K 13 of-the cam K1 correspond to the three heating stages.

The cam K1 is, as more clearly shown in Fig. 12 of the drawing, provided.with or is in the form of a circular rack having the teeth K11 adaptedto engage with pinions K11, the pinions in turn meshing with the teethof a horizontal rack K11 having longitudinal motionfrom the main camshaft 40 through the cam operated lever K1l1 and the link K1, all asmore clearly shown in Fig. 12 of the drawing.. the lower end of the linkK1G designated by reference character K1'I adapted to cooperate with thec am K, and the link K1*1 itself being pivoted as at K19 to any suitableportion of the machine.

When the cam K1o is oscillated by means of the lever K15 and itsassociated parts, the rods K7 are forced out against the pressure of thecorresponding springs K8 by the unindented portions of the cam rail K10.IThis causes the member K1 and Ks to be moved forwardly against theaction of the corresponding springs KB, thus elevating the contactmembers K2 and K4 away from the work piece 21 and the boss on the jawsGA and G1. On the other hand when the cam K1o is oscillated in thevreverse direction, the springs Ks cause the corresponding rods K7 toreturn the contacts K2 and K1 to theircontact in position lcontactmembers K2 and K* should be carefully insulated from the remaining partsof the machine to revent 'shortcircuiting For this reason it will benoted that an insulating bushing K21 is provided in that part of themembers K1 and Ks through which the aligning rods K2 pass.

I provide means for forming the heated port1ons of the work pieces 21,after the same have been heated to the desired temperature by thesuccession of heating stages already described above. For this purpose Imay utilize the means generally designated by reference character 100.The forming means 10() is preferably in alignment with the stage Za asdesignated in Fig. 8 of the drawing and as more clearly shown in Figs. 1and 2 of the drawing. Referring now more particularly to Figs. i4 tor 18inclusive of the drawing, L1 indicates a heading or formin ram adaptedto be oscillated backwards and forwards by a mechanism shortly to bedescribed and to forma head on the heated end of the work piece 21 asthe same is carried by the die and as the latter is indexed into. theposition Z2. .The ram L1 may be of any suitable or desired constructionand 'ma be oscillated by means of the crank L2 an the crank shaft L3.These may be operated from the main driving mechanism for the machine aswill be described later in this specification.

While various types of punch or `forming vmechanism may be employed, Irefer to use the mechanism shown in the the punch. The knock-out 'rockeddown by the cam and t rawing and comprising a punch D of any suitableform which is carried upon the face of the ram L1 and adjustable unchholder L4. Within the punch D is a s iding rod L5 normally retracted bya coil expansion spring L51, but capable of being advanced in the unchto act as a knock-out for work which might tend to cling in the diecavity or impression in rod Lls is adapted to be operated by a rod L,the rear end L11 of which is beveled and which engages with thecorrespondingly beveled rear end L21 of a vertical rod L7 normally heldupward by the coil expansion spring L72. The vertical rod L7 is adaptedto be, pushed down against the action of the coil expansion spring L72by a rocking plate L11 carried 'by alever L9 pivoted at L10 to anysuitable portion of the framework of the machine, the arm L11 of whichis provided with the cam roller L12 which engages `with the cam trackcut in the face of the gear M1 carried by the corresponding shaft L3. l

As the punch G is withdrawn after forming a head on the blank 21, thelate L8 is ereby decausingl the plunger cause the knockout resses theplunger L",

-fer to utilize the means illustrated rod Lls to eject the work from thepunch D. It should here be made clear, however, that the shank of theWork remains in the eight dies F1 and that the knock-out rod Ll5 isprovided merely to insure that the blank is not withdrawnaccidentally'from the die F2 by means of the punch D. 1

As the punch D approaches its return position and the dial F 1s indexedonce more, the formed blank 21 is partially ejectedfrom thecorresponding die F2 by the action of the cam rail R2 on the pin R1 andthe plunger F5 abutting against the rear of the blank 21.

I provide, however, positive mechanical ejectmg means forthe finishedblanks. While -various means may be employed for this purpose, I preferto employ the means illustrated in the drawing and comprising thefollowing structural features: When the formed blank 21 reaches aposition correspending to stage Z2, (see Figs. 15 and 16) it is engagedby a slot N1 in a take-out N2- adapted to completely withdraw thefinished ,blankfrom the die and discharge it in its completed conditionfrom the machine. AS

more clearly shown'in Figs. 15 and 16 of the drawing, the take-outmechanism consists of an' oscillating rod N3 carr ing the take-out headN2 at its forward eng and engaged by and journalledin a rocking lever N*at its opposite end. The rocking lever N* is fas-. v

tened to a shaft N*i which may be oscillated by means of the lever N1,the connecting rod N 7 and the lever N B, which latter is actuated bythe cam N2 cut gear M2.

The rod Na is provided with vthe longitudinally disposed gear teeth N11cut in its forward end and adapted to engage with inthe inner face o fthe ythe worm N1o of theshaft N10). The shaft may be oscillated by anysuitable. mechanism, such as a link. cam lever N11 operated 'by a camN12, all as ,shown more clearly in Fig. 1- of the drawing. i l, v

The rod N 1 has therefore a combined 'motion or oscillation about itsaxis and of longitudinal reciprocation. blank is carried into the slotN1 in the extractor or take-out mechanism N2 by the indexing action ofthe dial. The oscillation of the .rod Na thereupon withdraws the com-The head of the,

pleted blank 21 from the die by an axial moo tion, and upon completionof the axial withdrawing operation, the rod 'N1 isl oscillated in orderto discharge the blankfrom the slot N1 and to cause it vto fall from thecontrol ofv this slot by gravity.

While any suitable means may be employed for the proper driving of themachine from any suitable external source'of power, I prein 'the drawingand comprising a flywheel P1 mounted on a cross-shaft P2, to' which iskeyed a pinion P2 engaging gears M1 and M2. The gears M1 and M2 arepreferably of substantially equal diameter, the gear meshing with thecorresponding bevel gearv P". The gears P*s and P are preferably ofequal diameter. The gear P is keyed to the main'cam shaft 40 of themachine, which cam Shaft carries the various cams already referred to.The bevel gear Ps on the end P7 of the shaft 40 preferably meshes withthe bevel gear P9 on .the shaft P1", to which is keyed a spur gear P11meshing-with a spur' gear P12 keyed to the shaft P13. The gears Ps and Pare preferably of substantially equal diameter, as are also gears Pn'andP1. The indexing cam H* already referred to is` keyed to the Shaft P18.

It will be obvious that when the flywheel P1 is set in motion, theshafts L, P2, 40, P1, and P13 will all rotate at the saine speed.

4 One revolution of these shafts will complete a single blankcorresponding to one of the eight stages ofthe machine. 'T his is forthe reason that a sin le revolution of these shafts will cause all of te mechanisms to go through a single cycle corresponding to a singlestage or index movement of the dial.

This completes the description of the aforesaid illustrative embodimentof the present invention. The construction of said embodiment will, itis believed, be clear-from the foregoing description. Likewise theoperation of said embodiment will be clear from the foregoingdescription.

Itv will be apparent that the machine is comparatively simple inconstruction and may be readily, convenienti and economically fabricatedand assemble y. In use the machine is characterized by its adaptabilityfor forming a continuous metal member, such as a rod, wire,stri`p,`ribbon orithe like, into a series of blankswhich are in turnheated and forged into the desired finished articles. The heatingoperation is preferably "conducted in a series of successive stages,each giving to the article to be heated the desired increment of heat,and the heating operation being soA conducted as to avoid burning orotherwise injuring the blanks.

, The-heading or forming Voperation is ac' 'curately and expeditiouslycarried out, the

heating effect having been substantially limited to the external portionof the blank which it is desired to form, thus protecting the die 'ifrom any harmful over-heating. When the article is completed, simplemeans are provided for removing it from the machine in its finalcompleted condition.

Other superiorities and advantages of the machines of the presentinvention will readily occur to those skilled in the art t0 which thepresent invention relates.

l.tently operable means yfor inserting metal blanks into said diecavities successively, and meansfor heating a plurality of said blankssimultaneously and an particular blank in a plurality of successiveeating stages to bring a predetermined portion of the same to a forg.

ing temperature.

2. In a machine for heating and forging metal articles, a dial memberprovided with a plurality ofdie cavities, means for intermittentlyrotatin said dial member, intermittentlyoperab e means for insertingmetal blanks into said die cavities successively, and means for heatinga plurality of said blanks simultaneously and an particular blank in aplurality of successive eating stages to bring a predetermined portionof the same to a forging tem erature, said heating means compris*l ing ap urality of airs of electrodes, and intermittently opera le means forbringing one electrode of each of said pairs of electrodes intoelectrical heating contact with a particular blank. 3. In a machine forheating and forging metal articles, a dial member provided with aplurality of die cavities, means lfor intermittently rotating said dialmember, intermittently operable means for inserting metal blanks intosaid die cavities successively, and means for heating a plurality ofsaid blanks simultaneously andany particular blank in a plurality ofsuccessive heating stages to bring a predetermined portion of the sameto a forging tem erature, said heating means comprising a p urality ofpairs of electrodes, intermittently operable means for -brin ing oneelectrode of each of said pairs 'ofe ectrodes into electrical heatingContact with a particular blank, and means for limiting the substantialheating action of each pair of electrodes to an end portion of thecorresponding blank extending beyond `the corresponding die cavity.

"1. In a machine for heating and forging` metal articles, a dial memberprovided with a plurality of kdie cavities, means for intermittentlyrotatin said dialmember, intermittently operab e means for insertingmetal blanks into said die cavities successively,and

'means for heating a plurality of said blanks tently operab intoelectrical heating contact with a particcooperatin a predeterminedportion of the same to a.

forging temperature, said heating means comprising a plurality of pairsof electrodes, in-

termittently operable means for bringing one electrode of each of saidpairs of electrodes ular blank, and means comprising a plurality ofpairs of electrically conductive cooperating oscillatable jaws and aplurality of bosses, one adjacent the pivot point of each pair of awsfor coo erating with eacli or limiting tlie substantial heatinetal blan-ing actionof each pair of electrodes to an end metal articles,

portion of the corresponding blank extending beyond the correspondingdie cavity.

6. In a machine for heating and forging a dial member provided with aplurality of die cavities, means for intermittently rotating said dialmember, intermittently operable means for inserting metal blanks intosaid die cavities successively, and means for heating a plurality ofsaid blanks simultaneously and anyfparticular blank in a plurality. ofsuccessive heating stages to bring a. predetermined portion of the sameto a forging temperature, said heating means comprising a plurality ofpairs of electrodes, intermittently operable means for bringing oneelectrode of each of Said pairs of electrodes into electrical heatingcontact with a particular blank, and means comprising a plurality ofpairs of electrically conductive jaws and means including a plurality ofpairs of concentric shafts, at least one of which is hollow for`oscillating said jaws and a boss adjacent the pivot point of each pairof cooperating jaws for cooperating with each metal blank for shuntingthe electrical heating current away from the dial and the die cavitiestherein to prevent harmful heating effect on said dial and die cavities.7. In a machine for heating and forging metal articles, a dial memberprovided with a plurality of die cavities, means for intermittentlyrotating said dial member, means for intermittently feeding a continuousmetal member, intermittently operable means for inserting the end ofsaid metal member into said die cavities successively, means forintermittently shearing the same into metal blanks of predeterminedlengths, and means for heating a plurality of said blanks simultaneouslyand any particular blank in a plurality of successive heating stages tobring a predetermined portion of the same to a forging temperature, saidheating means comprising a plurality of pairs of electrodes,intermittently operable means for bringing one electrode of each of saidpairs of electrodes into electrical heating contact with a particularblank, and means for limiting the substantial heatin action of each'pair of electrodes to an endg portion of the corresponding blankextending beyond the corresponding die cavity.` A

8. In a machine for heating and forging metal articles, a dial memberprovided with a plurality of die cavities, means for intermittentlyvrotating said dial member, means for intermittently feeding acontinuous metal member and for intermittently shearing same into metalblanks of predetermined lengths, intermittently operable means forinserting the metal blanks so formed into said die cavitiessuccessively, and means for heating a plurality of said Vblankssimultaneously and any particular blank in a plurality of successiveheating stages to bring a predetermined portion of the same to a forgingtemperature, said heating means comprising a plurality of pairs ofelectrodes, and intermittently operable means for bringing one electrodeof eachy of said pairs of electrodes into electrical heating contactwith a particular blank.

9. In a machine for heating and forging metal articles, a dial memberprovided with a plurality of` die cavities, means for intermittentlyrotating said dial member, means for intermittently feeding a continuousmetal member and for intermittently shearing the same into metal blanksof predetermined lengths, intermittently operable means for insertingthe metal blanks so formed into said die cavities successively, andmeans for heating a and any particular blank in a plurality ofsuccessive heating stages to bring a predetermined portion of the samevto a forging temperature.

10. In amachine for heating and forging plurality of said blankssimultaneously metal articles, a dial member provided with a pluralityof die cavities, means for intermittently rotating said dial member,means for intermittently feeding a continuous metal member toward saiddial member, intermittently operable means for inserting the end of saidmetal member\into said die cavities successively, meansv forintermittently shearing the same into metal blanks of predeterminedlengths, and means for vheating a plurality-of said blankssimultaneously and any articular blank in a plurality of successiveeating stages to bring a predetermined portion of the same-to a forgingtempearture, saidheating means comprising a plurality of pairs ofelectrodes, intermittently, operable means for bringing one electrode ofeach of said pairs of electrodes into electrical heating contact with aparticular blank, and means comprising a plurality of pairs ofelectrically f conductive jaws and means including a plurality of pairsof concentricv shafts, atleast one of which is hollow for 'oscillatingsaid jaws and a boss adjacent the pivotpoint `of each pair ofcooperating jaws for cooperating with each metal blank for shunting theelectrical heating current away from the dial and the die cavitiestherein to prevent harmful.v heating effect on said dial and diecavities. U11. In a machine for heating and forging metal articles, adial lmember provided with a plurality of die cavities, means forintermittently rotating said dial member, means for intermittentlyfeeding a continuous metal member toward said dial member, intermit-ltently operable means for inserting the end` of said metal member intosaid die cavities successively, means for intermittently shearpluralityof die cavities, means for intermittently 'rotatin -said `dial member,intermittentl operab ej means for inserting metal bla into said diecavities successively,-

means for heating a plurality of said blanks simultaneously andanylurality'ofj successive heating stages to br1n a predetermined por-tionof the same to a orgmg temperature, and means for forging saidpredetermined heated portion of each of said blanks successively whilein their res tive die cavities..

, nv testimony whereof, I have signed my name to this specification this15th day of August, 1927. f PENROSER. HOOPE-S.

ing the same into vmetal `blanks of predetermined'lengths, and means forheating a plurality of said blanks simultaneously and any particularblank ina-plurality of successive heating stages to bring apredetermined por tion of the same to a forging temperature, saidheating means comprising-a plurality of pairs ofelectrodes,intermittently operable means for bringing one electrode of each of saidpairs of electrodes into electrical heating contact with a particularblank, and means comprising aplurality of pairs oflelectricallyconductive coo erating oscillatable jaws and a plurality of osses, oneadjacent the pivot point of each pair. o f cooperating jaws forcooperating with each metal blank for limit- 'ingthe vsubstantialheating action of each metal articles, a ldial membenprovided with aplurality -of die'cavities, means for intermittently rotating said dialmembers, means for intermittently feeding a' continuous metal membertoward such dial member, intermittently operable means for inserting theend of said metal member into said die cavities-Yu1 successively, meansfor intermittently shearing the same into metal blanks of predeterminedlengths, and means for heating a plurality of said blanks simultaneouslyand any particular blank in a plurality of successive heating stages tobring a predetermined portion of the same to a forging temperature, saidheating means'compris'ing a plurality of pairs of electrodes,intermittently operable means for bringing one'electrode of eachof saidpairs of electrodes into electrical heating contact with a particularblank, and

means for shunting the electrical heating current away from the dial andthe'die cavities therein to prevent harmful heating effect on said dialand die cavities.

13. In a machine for heating and forging metal articles, a dial memberprovided with a pair of electrodes to an end portion of the particularblank in l

